Mitteilungen – Communications Entwicklungstendenzen der Zürcher Dermatologie in den letzten 20 Jahren

A statistical survey of the various dermatoses of the years 1950, 1960 and 1970 was undertaken to elicit possible chances in the number of patients of each dermatosis. 5 groups of dermatoses were compared, namely allergies, infectious dermatoses, malignomas, dermatoses due to circulatory disturbances and dermatoses with an unknown aetiology. The statistical survey showed that the allergies increased by 35.6% more than the population of canton Zurich, infectious dermatoses decreased by 36.1%, malignomes increased by 29.1%, also the group of circulatory disturbances by 40.1%. The group of dermatoses of unknown pathogenesis increased by 57.7%.